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Experimental results from SHIVA Star vacuum inductive store/plasma flow switch driven implosions

Journal Article · · IEEE Trans. Plasma Sci.; (United States)

Using a 1313-..mu..F, 3-nH, 120-kV, 9.4-MJ SHIVA Star capacitor bank, the authors performed vacuum inductive store/plasma flow switch (PFS) driven implosions of low mass (200-400 ..mu..g/cm/sup 2/) cylindrical foil liners of 2-cm height and 5-cm radius. This technique employs a coaxial discharge through a plasma armature, which stores magnetic energy over 3-4 ..mu..s and rapidly switches it to an imploding load as the plasma armature exits the coaxial fun muzzle. The current transferred to the load by the PFS has a rise time of less than 0.2 ..mu..s. With 5-MJ stored energy, we have driven fast liner implosions with a current of over 9 MA, obtaining an isotropic equivalent 2.7-TW 0.5-MJ X-ray yield.

Research Organization:
Plasma Physics Branch, Air Force Weapons Lab., Kirtland AFB, NM 87117-6008 (US)
OSTI ID:
5263625
Journal Information:
IEEE Trans. Plasma Sci.; (United States), Journal Name: IEEE Trans. Plasma Sci.; (United States) Vol. PS-15:6; ISSN ITPSB
Country of Publication:
United States
Language:
English